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December weather forecast in St Marys City

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Sun

Sunday

Mon

Monday

Tue

Tuesday

Wed

Wednesday

Thu

Thursday

Fri

Friday

Sat

Saturday

30 November, sun

	763 mmHg		72%
	6.5 m/s		+12

30 November, Sunday. day, 11°; night, 7°; rain

1 December, mon

	762 mmHg		71%
	7.2 m/s		+11

1 December, Monday. day, 11°; night, 7°; clear

2 December, tue

	764 mmHg		68%
	6.4 m/s		+11

2 December, Tuesday. day, 11°; night, 6°; clear

3 December, wed

	764 mmHg		68%
	6.3 m/s		+11

3 December, Wednesday. day, 10°; night, 6°; clear

4 December, thu

	765 mmHg		68%
	5.6 m/s		+11

4 December, Thursday. day, 10°; night, 6°; clear

5 December, fri

	764 mmHg		71%
	6.1 m/s		+10

5 December, Friday. day, 9°; night, 6°; rain

6 December, sat

	764 mmHg		72%
	6.6 m/s		+10

6 December, Saturday. day, 9°; night, 6°; rain

7 December, sun

	764 mmHg		69%
	6.7 m/s		+9

7 December, Sunday. day, 8°; night, 5°; rain

8 December, mon

	766 mmHg		68%
	6 m/s		+10

8 December, Monday. day, 8°; night, 4°; partly cloudy

9 December, tue

	766 mmHg		75%
	6.2 m/s		+10

9 December, Tuesday. day, 8°; night, 4°; rain

10 December, wed

	764 mmHg		76%
	6.2 m/s		+10

10 December, Wednesday. day, 9°; night, 5°; rain

11 December, thu

	763 mmHg		75%
	6.3 m/s		+10

11 December, Thursday. day, 9°; night, 5°; partly cloudy

12 December, fri

	765 mmHg		70%
	6.3 m/s		+9

12 December, Friday. day, 9°; night, 5°; partly cloudy

13 December, sat

	766 mmHg		71%
	5.7 m/s		+9

13 December, Saturday. day, 8°; night, 4°; partly cloudy

14 December, sun

	765 mmHg		75%
	6.3 m/s		+9

14 December, Sunday. day, 8°; night, 4°; rain

15 December, mon

	765 mmHg		73%
	6.6 m/s		+9

15 December, Monday. day, 9°; night, 5°; clear

16 December, tue

	764 mmHg		74%
	6.3 m/s		+8

16 December, Tuesday. day, 8°; night, 5°; rain

17 December, wed

	763 mmHg		75%
	6.3 m/s		+8

17 December, Wednesday. day, 9°; night, 5°; rain

18 December, thu

	763 mmHg		71%
	5.9 m/s		+9

18 December, Thursday. day, 8°; night, 5°; clear

19 December, fri

	764 mmHg		71%
	6.3 m/s		+9

19 December, Friday. day, 7°; night, 4°; overcast

20 December, sat

	765 mmHg		68%
	6.5 m/s		+8

20 December, Saturday. day, 6°; night, 3°; clear

21 December, sun

	765 mmHg		69%
	5.9 m/s		+8

21 December, Sunday. day, 7°; night, 3°; clear

22 December, mon

	765 mmHg		70%
	6.7 m/s		+8

22 December, Monday. day, 8°; night, 4°; clear

23 December, tue

	765 mmHg		72%
	6.8 m/s		+8

23 December, Tuesday. day, 8°; night, 4°; clear

24 December, wed

	764 mmHg		72%
	6.7 m/s		+9

24 December, Wednesday. day, 8°; night, 4°; rain

25 December, thu

	764 mmHg		72%
	6.5 m/s		+8

25 December, Thursday. day, 7°; night, 4°; rain

26 December, fri

	765 mmHg		72%
	6.2 m/s		+8

26 December, Friday. day, 6°; night, 3°; clear

27 December, sat

	764 mmHg		72%
	6.1 m/s		+8

27 December, Saturday. day, 7°; night, 3°; partly cloudy

28 December, sun

	764 mmHg		72%
	6.1 m/s		+8

28 December, Sunday. day, 8°; night, 3°; clear

29 December, mon

	762 mmHg		75%
	6.1 m/s		+8

29 December, Monday. day, 8°; night, 4°; rain

30 December, tue

	763 mmHg		73%
	6.2 m/s		+8

30 December, Tuesday. day, 8°; night, 4°; clear

31 December, wed

	764 mmHg		73%
	5.9 m/s		+8

31 December, Wednesday. day, 7°; night, 4°; partly cloudy

1 January, thu

	764 mmHg		74%
	6.2 m/s		+8

1 January, Thursday. day, 7°; night, 4°; partly cloudy

2 January, fri

	764 mmHg		73%
	6.6 m/s		+7

2 January, Friday. day, 8°; night, 4°; rain

3 January, sat

	763 mmHg		74%
	6.9 m/s		+6

3 January, Saturday. day, 7°; night, 3°; rain

Average data for 10 years

St Marys City December

13

sunny days

11

days with precipitation

8

cloudy days

13 sunny days; 11 days with precipitation; 8 cloudy days;

72

%

air humidity

4.4

m/s

WindSW

109

mm of precipitation

(9% of annual average)

+9

°C

Water temperature

air humidity 72%; 109 millimeters of precipitation (9% of annual average); Wind south-westerly 4.4 Meters per second; Water temperature +9°

Weather graphs for December

TemperatureWater temperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

SW

SW

SW

SW

S

SW

SW

SW

S

S

SW

SW

SW

S

SW

S

SW

SW

SW

SW

SW

SW

SW

SW

SW

S

SW

SW

SW

SW

SW

1

Average data for 10 years

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Daytime temperature

Night-time temperature

Cities near you

New York
Washington
Philadelphia
Raleigh
Baltimore
Edinburg
Jamaica
Ocean City
York

Cities with similar weather in December

Gagra
Suhum
Baku
Pitsunda
Burgas
New Athos
The Sunny Beach
Podgorica
Vancouver

The weather forecast for December 2025 is based on historical data from the past 10 years.

In December, the weather in St Marys City is typically cold. Average daily high temperature in December is about 8 degrees above zero. On average, St Marys City has 13 sunny, 10 rainy, 7 partly cloudy, and 1 cloudy day in December. The rains are usually heavy. December as well as January, February, and March is considered the most uncomfortable time to visit St Marys City.

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